Industrial Lubrication Joints for Secure Oil & Grease Connections
Lubrication joints are essential connection components used to connect lubrication pumps, tubing, hoses, distributors, metering devices, grease guns, and machine lubrication points.Reliable connections for centralized lubrication systems, grease delivery, and industrial maintenance.
-
![Lubrication Pump Joint]()
Lubrication Pump JointOur Lubrication Pump Joint is a precision-engineered fitting that connects pumps, distributors, and lines, preventing leaks and blowouts to ensure reliable performance in harsh industrial machinery. -
![Grease Fitting Joint]()
Grease Fitting JointOur high-pressure grease fitting joint ensures secure, leak-proof connections between lubrication pumps, supply lines, and bearings, delivering reliable grease delivery under rigorous industrial... -
![Grease Nipple Joint]()
Grease Nipple JointOur high-pressure grease nipple joint bridges automatic lubrication pumps with distributed bearing points, establishing a secure, metal-to-metal seal that handles rigorous industrial duty cycles... -
![Lubrication Fittings Quick Coupling]()
Lubrication Fittings Quick CouplingPrecision-engineered Lubrication Fittings Quick Couplings provide seamless connectivity between grease guns and fittings. Designed for heavy-duty machinery, they ensure rapid, leak-resistant... -
![Quick Disconnect Joint]()
Quick Disconnect JointOur high-pressure quick disconnect joint provides an instant, leak-free mechanical link between centralized lubrication pumps and distribution lines. It enables rapid tool-free coupling,... -
![Lubrication Fittings Hydraulic Joint]()
Lubrication Fittings Hydraulic JointOur precision-engineered Lubrication Fittings Hydraulic Joints provide secure, high-pressure connections for centralized systems and heavy machinery. Built to prevent leaks and withstand extreme...
Standards & Thread Compatibility
|
Standard Family |
Typical Thread |
Common Forms |
Used On |
|
DIN 71412 (metric grease nipple) |
M6×1, M8×1, M10×1 |
Straight, 45°, 90°; with/without collar |
European industrial & mobile machinery |
|
ISO 16945 (grease nipple) |
Metric, various |
Straight / angled, button & standard heads |
General industrial interchange |
|
SAE J534 (inch grease fitting) |
1/4"-28 UNF, 1/8"-27, etc. |
Straight / angled |
North American automotive & equipment |
|
BSP / BS (imperial pipe) |
1/8" BSP, 1/4" BSP |
Straight / angled |
UK / Commonwealth & hydraulic adapters |
|
Button-head / high-pressure |
Specialized (coupler-matched) |
Button head |
Centralized high-pressure lube lines |
Why Plants Standardize on Our Fittings — Pain → Value
|
Buyer Pain |
What Correct-Spec Fittings Deliver |
|
Wrong thread → cross-threading, damaged boss, downtime |
Matched DIN/ISO/SAE/BSP threads that seat first time, no rework |
|
Leaking fittings → lube waste, mess, contamination, slip hazard |
Spring check-ball seal keeps grease in, debris/water out |
|
Clogged / sheared zerk → point can't be greased, bearing fails |
Hardened, clean-bore nipples; replaceable as low-cost consumables |
|
Corrosion in washdown / food / marine |
Stainless 304/316 and brass options for corrosive duty |
|
Slow manual greasing across many points |
Quick-connect couplers cut gun-to-point time on every cycle |
|
Single-source lock-in on proprietary threads |
Open standards = multi-source supply and easier spares |
|
Inconsistent quality across high-volume batches |
ISO 9001-controlled production; batch-to-batch consistency |
How to Choose the Right Joint
Connection Type: Identify as threaded, quick-connect, quick-disconnect, hose, tube, or grease gun connection.
Thread Specification: Confirm thread standard, size, male/female, and direction. Do not select by appearance alone.
Tube or Hose Size: Match outside diameter, inside diameter (if relevant), connection type, and ferrule/sleeve configuration.
Lubricant: Confirm oil, grease, or other lubricant; ensure joint and seal materials are compatible.
Working Pressure: High-pressure grease systems may require different fittings than low-pressure oil circuits.
Installation Space: Consider straight/angled configuration, height, orientation, tool access, and clearance.
Operating Environment: Select for dust, water, vibration, temperature, outdoor exposure, corrosion, and heavy-duty conditions.
Straight, Angled & Specialized Connections
Straight Lubrication Joints
Suitable where the lubrication line can connect directly to the lubrication point or component. Typical advantage: simple routing and installation.
Angled Lubrication Joints
Useful when the lubrication point is located in a restricted or difficult-to-access area. The angle can help improve tube routing, grease gun access, installation clearance, and maintenance accessibility.
Multi-Directional Connection Solutions
For complex lubrication layouts, specialized joint configurations can help route lubrication lines around machine structures. The appropriate configuration should be selected according to the actual installation drawing.
Lubrication Joint Applications
Centralized Lubrication Systems
Connects pumps, main lines, distributors, metering devices, feed lines, and lubrication points. Compatible with resistance, positive displacement, progressive, and dual-line systems.
Industrial Machinery
Used on machine tools, production machinery, conveyors, packaging/textile/processing equipment, and material handling systems. Ideal for grease delivery to pins, bushings, bearings, and joints on moving structures.
Mining & Heavy Equipment
Provides reliable grease connections for numerous lubrication points operating under high load, vibration, dust, and harsh conditions.
Agricultural Equipment
Commonly used on machinery requiring regular grease maintenance. Select per manufacturer's lubrication specification.
Small Components Require Precise Quality Control
A lubrication fitting may be small, but a poor connection can affect the performance of the entire lubrication system. Our quality control focuses on the parameters that influence connection reliability.
Incoming Inspection: Materials and purchased components are checked against applicable specifications.
Dimensional Inspection: Critical dimensions and connection interfaces are inspected during production.
Thread Inspection: Thread dimensions and mating compatibility are checked according to applicable product specifications.
Assembly Inspection: For assembled joints and couplings, components and seals are checked for correct installation.
Leakage Testing: Applicable products are checked for leakage under their specified test conditions.
Final Inspection: Before shipment, products are checked for model, quantity, dimensions, connection type, appearance, functional condition, and packaging.
Quality Documentation: For applicable orders, documentation may include inspection records, test reports, product specifications, material documentation, quality certificates, and factory inspection documents.
Custom Connections for Your Equipment
Standard fittings are not always suitable for specialized machinery. For OEM customers, we can evaluate custom lubrication joint requirements based on drawings, samples, or application information.
OEM Support Includes
Custom dimensions, connection configuration, thread specification, tube/hose interface, special geometry, product identification, customer labeling, packaging, and technical documentation.
For a Custom Quote, Please Provide
2D/3D drawing, existing sample, connection specification, thread standard, material requirement, lubricant, working pressure, operating temperature, required quantity, and application.
How to Order Lubrication Joints
Identify the Existing Connection: Provide the existing fitting model, photograph, drawing, or dimensions.
Confirm Technical Requirements: Confirm thread, tube/hose size, connection type, lubricant, pressure, temperature, and application.
Product Matching: We evaluate the requirements and identify a suitable standard or customized configuration.
Quotation
The quotation includes the applicable model, quantity, price, packaging, and lead time.
Specification Confirmation
All technical and commercial details are confirmed before production.
Production & Inspection
Products are manufactured and inspected according to the confirmed requirements.
Packing & Shipment
The order is packed and shipped using the agreed transportation method.
Company Strength
Zhejiang Shengxiang Machinery Co., Ltd., established in 2001, is the mainland China branch of Taiwan ISHAN Precision Machinery Industry Co., Ltd. Specializing in advanced centralized lubrication systems, we offer customized design, products, and services backed by decades of expertise.
Packaging & Shipping
Lubrication joints are packaged according to product size, quantity, and transportation requirements.
Packaging Options
Export Cartons: Suitable for standard fitting orders and small quantities.
Plastic Bags / Individual Protection: Used where appropriate to keep small components organized and protected from contamination.
Pallet Packaging: Suitable for larger-volume orders and distributor shipments.
Customized OEM Packaging: Available for qualified OEM and distributor programs.
Shipping Methods
Sea Freight: Suitable for bulk orders.
Air Freight: Suitable for urgent or higher-value shipments.
Rail Freight: Available for selected international destinations.
FAQ
As one of the most professional lubrication joint manufacturers and suppliers in China, our products have good reputation in the market. Please rest assured to buy durable lubrication joint made in China here from our factory. For price consultation, contact us.
Popular Products
